Model: 837-A4

Thermostatic Switch

Properties:

Overall Length
1.875 inches
Overall Height
4.188 inches
Overall Width
2.594 inches
Body Height
3.500 inches
Capillary Tube Length
72.0 inches
Bulb Length
8.500 inches
Bulb Diameter
0.375 inches
Tempurature Sensing Element Type
Capillary tube-bulb
Operating Tempurature Rating
240.0 degrees fahrenheit
Mounting Method
Base
Features Provided
Tubing end seal connection
Contact Action Stimulus
Increase
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Tab w/screw
Contact Load Current Rating
3.0 amperes resistive load second voltage
Contact Load Current Rating
5.0 amperes resistive load first voltage
Contact Adjustability
Actuation point adjustable and deactuation point adjustable
Contact Adjustment Range
+60.00/+190.00 actuation point degrees fahrenheit and +60.00/+190.00 deactuation point degrees fahrenheit
Contact Adjustment Type
External actuation point screw and external deactuation point screw
Contact Voltage Rating In Volts
240.0 ac at sea level first voltage
Contact Voltage Rating In Volts
600.0 dc at sea level second voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
NSN
5930-00-734-1773
Part Number
837-A4
Description
Switch,thermostatic
CAGE
01121

A switch that is actuated by changes in ambient temperature. Excludes circuit breaker; control, temperature (as modified); fuse (as modified); protector, thermal-overload, electrical motor; relay, thermal; and thermostat, flow control. See also control, temperature (as modified) and regulator, temperature (as modified).

Part 837-A4 NSN 5930-00-734-1773

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00451
FIIG:
A048B0
Concept No.:
1
App. Key:
F
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9032100000
  • SITC: 87461
  • End Use: Measuring, testing, control instruments
  • NAICS: 334512
  • USDA: 1

Freight Class: Thermostats

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